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114 results about "Fasting tests" patented technology

Metabolic profiles often require fasting, according to Adams Memorial Hospital. Other fasting blood tests include glucose testing, the renal function panel, and the lipid profile. When fasting for these tests, patients are not to eat or drink during the 12 hours before the test.

Whole blood CRP detection apparatus, method thereof, and blood cell analyzer

The invention discloses a whole blood CRP detection apparatus, a method thereof, and a blood cell analyzer. The apparatus comprise a syringe unit, a weak solution distribution unit, a DIFF channel measuring unit, a reagent unit, a counting chamber unit, a sampling needle, a negative pressure chamber and a waste liquid discharge unit; the reagent unit comprises a weak solution, a WBC reagent, a DIFF reagent and a second CRP reagent; and the counting chamber unit comprises a CRP pool, a DIFF pool, a WBC pool and an RBC pool, and is used for completing a reaction of a CRP channel sample with the CRP reagent, a reaction of a DIFF channel sample with the DIFFC reagent, a reaction of a WBC channel sample with the WBC reagent and a reaction of an RBC channel sample with a reagent. The apparatus and the method can be used to simultaneously detect CRP and five-classifications blood routine examination, and have the characteristics of parallel detection of all detection channels, and fast test speed.
Owner:SHENZHEN DYMIND BIOTECH

Newcastle disease immune body immune colloidal gold fast detecting reagent kit and its application

The invention belongs to the immunity application field, which relates to the related fields of animal molecular biochemistry and the immunology, etc. The invention discloses a reagent kit used for fast testing the antibody of Newcastle Disease, which comprises a case body, and the test paper card and sample diluent equipped inside the case body, wherein, the test paper card is formed by the absorption pad, nitrocellulose membrane, gold-label pad and sample pad affixed in turn on the non-absorbent supporting flake by taking the sample pad, absorption pad and the HN recombinant proteins coated with the Newcastle Disease as the detection line and the HN recombinant proteins coated with anti-mouse IgG as nitrocellulose membrane of the quality control line. The reagent kit used for testing the corresponding antibody has the obvious advantages of strong specificity, high sensitivity, easy operation and fast diagnosis.
Owner:HUAZHONG AGRI UNIV

Fast Test Application for Shock Sensing Subassemblies Using Shock Modeling Software

The disclosed embodiments include a system and method in which a plurality of shock sensing subassemblies are arranged within the tool string to monitor the transient response of formation characteristics to various stimuli, including changes in pressure and temperature of a region of a wellbore that is nearby the formation. The systems and methods involve gathering measurements that reflect the transient response and comparing the measured data to predicted data. The results of the comparison can be used to determine formation properties and to refine and improve modeling processes used to generate the predicted data.
Owner:HALLIBURTON ENERGY SERVICES INC

Apparatus and method for quick detection of surface cleanness degree and microbe contamination

The invention relates to a method and apparatus for fast testing the surface cleaning degree and microorganism pollution. The ATP sulfurylase can promote the PPi on the condition of existing adenosine-5'-phosphosulfate APS to generate ATP so as to reduction the hydrolysis pyrophosphoric acid ATP. It adds firefly luciferase stabilizer to simplify the preserving condition and adds adenosine triphosphatase restrainer to improve the test accuracy and sensibility.
Owner:卢麟麟

Colloidal gold test paper card for detecting quinolones medicament relict

The invention provides an immune colloidal gold test paper card for testing quinolones, comprising a reaction film, a sample pad, a conjugate release pad, a water absorbing pad, and a back liner, wherein, the reaction film comprises a test zone coated with quinolones-carrier protein conjugate and a quality control zone coated with sheep-anti-mouse IgG; the conjugate release pad coats quinolones monoclonal antibody-colloidal gold marker. The invention also provides the method using the test paper card to test quinolones, which comprises the following steps: firstly, pre-treating sample; secondly, testing the sample with the test paper card; thirdly, analyzing test result. The invention can be used to test residual quantity of quinolones in animal derived food such as chicken, chicken liver, pork, pig liver, urine, and honey, and has the advantages of simple operation, high sensitivity, fast test, low cost, on-site supervision, and satisfaction of test requirement of a large quantity of samples.
Owner:BEIJING WANGER BIOTECH

Method for preparing porcine circovirus type 2 colloidal gold antibody fast test strip

The invention relates to a method for preparing a porcine circovirus type 2 colloidal gold antibody fast test strip. In the method, a porcine circovirus type 2 ORF2 protein is expressed by utilizing genetic engineering, and the test strip is prepared by the principle of enzyme-linked immunoassay and membrane chromatography to fast test antibodies in the blood or serum of pigs. The test strip can be widely used for clinically testing porcine circovirus diseases, has no cross reaction with other viruses, and obtains test results 98.63 percent and 95.83 percent consistent with those obtained by the two methods of the ELISA and neutralization test. Compared with the ELISA, a recombinant antigen immune colloidal gold has the remarkable advantages of high security, no need of culturing the viruses per se, the avoidance of virus spread caused by the operation of the viruses, large-batch preparation, simple process, low production cost, stable and homogeneous antigen components, simple, convenient and labor-saving operation, no apparatus, high detection result specificity, high repeatability, the short time of 15 minutes for the whole test, simple, convenient, fast and accurate operation, high sensitivity, intuition and easy result judgment.
Owner:QINGDAO AGRI UNIV +2

Water comprehensive toxicity rapid detection method based on algae chlorophyll fluorescene

ActiveCN103728284AShort durationRapid and sensitive toxicity responseFluorescence/phosphorescenceFluorescenceOrganism
The invention discloses a water comprehensive toxicity rapid detection method based on algae chlorophyll fluorescene. According to the method, toxic and sensitive unicellular scenedesmus obliquus is selected as a testing organism, an experimental group and a blank control group of a to-be-tested water sample are subjected to adaptive cultivation for 24 hours, fast-phase chlorophyll fluorescene of two groups of algae samples is measured, fluorescence parameters in the energy transfer process of main photosynthesis are analyzed and obtained, an inhibition ratio of to-be-tested water of the experimental group on the photosynthesis of algae is calculated, and the comprehensive toxicity intensity of the to-be-tested water is calculated according to the dose-effect relationship between the substance toxicity intensity and the inhibition ratio of photosynthesis. The method has the characteristics of sensitive toxicity response, simple and fast test and the like and is a new method for rapid evaluation of ecological risk and emergency monitoring of sudden pollution accidents.
Owner:ANHUI INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Food deterioration fast detecting material with pH discoloration responsiveness and preparation and use thereof

The invention discloses a food deterioration fast detecting material with pH discoloration responsiveness and a preparation and use thereof. Polysaccharide gum is used as a food deterioration fast detecting material matrix. 1-50wt% of a edible softening and toughening agent, 2-8wt% of a nano-cellulose fiber solution reinforcing and toughening agent with a mass concentration of 5% and 0.1-2.5wt% ofa natural edible pH responsive substance are added into the material matrix so that the food deterioration fast detecting material with pH discoloration responsiveness is obtained. The food deterioration fast detecting material has good mechanical strength, degradability and pH sensitivity, meets the needs for rapid detection of food deterioration, can be used as a safe and environmentally-friendly food deterioration fast test material, is used for fast detecting the freshness of foods producing pH change such as fresh milk, sterilized milk, pasteurized milk, raw milk, brewed milk and other dairy products or fruits, cakes, meat, fish, etc. in the deterioration process, and has broad application prospects.
Owner:黄正农

Tin-plated board corrosion-resistance rapid detecting method

The invention relates to a tin coating surface survey technique especially to the eroding resistance fast test. Its main steps include: 1. sampling on the sheet; 2. uncoat tin from the sample; 3. white degree test, put the sample in to white degree apparatus and record the test value; 4. compare and judge the test value with eroding resistance degree. The quality is good if white degree is 16 or higher, normal if between 14 to 15 and bad if less than 13. the invention test in physical method and the device and sample process is simple, easy and stable, fast, can be used in daily survey and non-routine survey.
Owner:BAOSHAN IRON & STEEL CO LTD +1

Method for measuring carboxymethylcellulose enzyme activity

The invention discloses a determination method for the activity of carboxymethyl cellulose. Acidic or neutral cellulose enzyme solution to be tested is firstly prepared: liquid enzyme is diluted by acidic or neutral buffer solution; the enzyme solution to be tested is added in a reaction tube, is added into sodium carboxymethylcellulose solution substrate with equivalent volume, DNS (3, 5-dinitrosalicylic acid) reagent with three times volume being enzymatic blank control, and is mixed evenly and reacts under the temperature of 50 DEG C; next all the reaction tubes are taken out, the DNS (3, 5- dinitrosalicylic acid) reagent with three times volume is added into the sample tube, sodium carboxymethylcellulose solution substrate with equivalent volume is added in a control tube; then all the reaction tubes are heated by water bath for 5 minutes and taken out to be cooled to the room temperature, and the reaction is ceased; finally, the reacted solution is taken to carry out the colorimetric determination of the absorbance value under the wavelength of 540nm, and the reducing sugar content is calculated according to the glucose standard curve. Compared with the prior art, the determination method has small variation coefficient of many tests for a same sample, good reproducibility of test results and fast test speed, and is suitable for determining numerous samples simultaneously.
Owner:DONGGUAN BAOLIMEI CHEM

Fast test method of Massive MIMO end-to-end performance

The invention provides a fast test method of Massive MIMO end-to-end performance. The method comprises the following steps: firstly, dividing each path of original signals sent by a base station intoseveral paths of radio frequency signals, and determining the phase and amplitude of each path of radio frequency signals; then controlling each path of radio frequency signals according to the determined phase and amplitude of each path of radio frequency signals; and finally merging the several paths of radio frequency signals, and outputting the merged radio frequency signals to a mobile terminal. Therefore, the spatial position change between the mobile terminal and the base station is simulated to form MU-MIMO and 3D-Beamforming. According to the fast test method provided by the invention, the OTA is replaced with a conduction scheme, so that a end-to-end performance simple test can be quickly completed, and the operation is simple.
Owner:NANJING JIEXI TECH

Weak light signal spectrum fast test device and method

The invention provides a weak light signal spectrum fast measuring device and method. On the basis of a light source spectrum power distribution test method of a light splitting type spectrum measurement system, a face array CCD (charge coupled device) is adopted for replacing an original line array CCD, tiny light signals can simultaneously complete multiple times of measurement, the intensity of output signals can be improved through the processing on measuring results, meanwhile, the random noise is eliminated, and the fast measurement of the tiny light signal spectrum power distribution is realized. The weak light signal spectrum fast measuring method has the advantages that the measurement speed is high, the precision is high, the operation is simple, the universality is high, and the technical support is provided for the spectrum test of other kinds of spectrum instruments.
Owner:西安应用光学研究所

Test method and test system for testing trusted computing password support platform

The invention relates to a test method and a test system for testing a trusted computing password support platform. The test method comprises the following steps of: obtaining atom behavior and packaging the atom behavior as a test case; analyzing the test case to obtain the test case data; calling a data conversion interface to convert the analyzed test case data into a network byte order, and outputting a test expected value to a journal file; inputting the analyzed test case data in a trusted computing interface for test, and returning back a test actual value to the journal file; verifying the test actual value and the test expected value, and recording the check result in the journal file; and analyzing and counting the test result, and outputting a test statistical result. By the technology provided by the invention, convenient and fast test management and test statistical analysis functions can be realized, and the test efficiency is improved.
Owner:NATIONZ TECH INC

Kit for fast test of vibrio harveyi and the test method thereof

The present invention is kit for fast test of vibrio Harveyi and the test method thereof. The kit includes DNA extracting reagent comprising buffering reagent A and cell cracking reagent B; PCR reagent comprising reaction pre-mixing reagent C and reaction primer reagent D with specific primer pair of VP01 5'-GCACCATGGGTTAAAAGCCGCT and VP02 5'-AGAGAACTGACGCACAACGTGGTTC; and electrophoresis and development reagent comprising reagent E and reagent F. The test method includes: sample processing, DNA extraction, PCR proliferation, electrophoresis and development test. Under ultraviolet light test, one tested 480 nucleotide pair stripe corresponding to the infection or pollution of vibrio Harveyi, or else no infection or pollution of vibrio Harveyi. The present invention has the advantages of fast detection and high sensitivity.
Owner:SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Dry chemical quick detecting reagent strip for glutamic-pyruvic transaminase and its producing method

ActiveCN1987461AThe process of detecting GPT is shortenedThe process of detecting GPT is simplifiedMicrobiological testing/measurementColor/spectral properties measurementsReagent stripHuman body
Purpose of the invention is to provide a reagent bar capable of half quantitative / quantitative detecting whether content of glutamic-pyruvic transaminase (GPT) inside human body is normal or not rapidly, and relevant fabricating method. The reagent bar includes PVC hard strip for supporting reaction. The hard strip possesses carrier film of adsorbing L-alanine, pyruvate oxidase, and alpha-ketoglutarate. Belonging to fast test in micro scale, the disclosed product is one-off consumption material for testing. Range for detecting GPT is 0-1000U / L.
Owner:WUXI SHENRUI BIO PHARMA

System and method for testing internal modules of vector network analyzer

InactiveCN108802652ASolving the Quick Test DilemmaIncrease productivityElectrical measurementsSoftware systemComputer module
The invention discloses a system and method for testing the internal modules of a vector network analyzer and belongs to the technical field of testing. The system comprises a hardware system and a software system, wherein the hardware system comprises a source isolation degree testing system, a mixer isolation degree testing system, a source output power testing system, a harmonic and subharmonictesting system and a pulse switch ratio testing system; the software system comprises a testing parameter setting and testing instrument connecting module, an instrument program control command import module and a testing task executing module. The system has the advantages that the system can automatically adapt to testing instruments such as spectrometers, power meters and signal sources of different factories and types to complete the testing task; the various internal modules of the vector network analyzer can be fast tested, the testing speed of the various internal modules of the vectornetwork analyzer is increased, the production efficiency of the vector network analyzer is increased, testing cost is reduced, and huge economic benefits are achieved.
Owner:THE 41ST INST OF CHINA ELECTRONICS TECH GRP

Quick test method fro detecting clenbuterol hydrochloride in animal derived food

The invention relates to a fast test method for detecting the clenobuterol hydrochloride of animal foodstuff. Firstly syntheses marks the clenobuterol coupled material; then it fixes the horse radish perxidase and the anti-clenobuterol monoclonal antibody on the cellulose nitrate film; then dispositions the cellulose film coated the antibody and the enzyme inside the one time polyvinyl fluoride or the reaction hole which is made by glass material after sealed and dried by the skimmed milk powder and uses the polytef film to seal it; then it prepares the color development bottom material solution and assemblies the clenobuterol fast reacting plate; it mixes the tested sample and the enzyme mark clenobuterol coupled material and adds them on the antibody film of the reaction hole of the reaction plate; it washes it after reacting at indoor temperature and adds bottom material color development solution on the reacting hole to observe the result and then quotes the clenobuterol content by the color development degree.
Owner:SHANGHAI JIAO TONG UNIV

Fast test method for interface thermal resistance of single power cell

The invention discloses a fast test method for an interface thermal resistance of a single power cell. The method comprises: S10, a testing device is arranged in a constant-temperature environment in a suspension mode; S20, a heating unit emits heat to heat single power cells; S30, a thermodetector tests temperatures of an A point and a B point, wherein the A point is a left side central point of a heat conduction unit and the B point is a right side central point of one single power cell at the right side; and S40, when the temperatures of the A point and the B point become stable, power consumption of the heating unit and the difference value of the temperatures of the A point and the B point are calculated, and an interface thermal resistance is calculated based on the difference value of the temperatures of the A point and the B point and the power consumption of the heating unit. According to the invention, the test method can be implemented simply, conveniently, and rapidly. The interface thermal resistances, including the interface thermal resistances of one single power cells with different service lives, of single power cells can be tested at different temperatures and under different pressures according to needs.
Owner:CHINA FIRST AUTOMOBILE

Fast test device capable of simultaneously measuring air passage eddy and tumble of gasoline engine

The invention discloses a fast test device capable of simultaneously measuring air passage eddy and tumble of a gasoline engine. The fast test device comprises three parts, namely a roller way lifting assembly, an airflow guiding assembly and a blade-type anemograph assembly. Two connecting plates below a working table board are used for fixing two synchronous motors; two worm shaft brackets are used for supporting worm shafts; the two synchronous motors drive the worm shafts, as well as worms and gears to rotate so as to realize decelerated motion; a roller way is used for placing a to-be-measured cylinder cover; two worm wheels are welded on corresponding cam shafts respectively; the roller way is erected through rotation of a cam to enable the cylinder cover to move vertically on the working table; and air passage flow parameters are measured through the blade-type anemograph, a relevant sensor and the like. The fast test device omits the operation of carrying the cylinder cover manually, dispenses with redesign of a clamping and positioning mechanism of an original air passage test stand, has the characteristics of convenient mounting and dismantling, can test the air passage of engines with more than four cylinders, and can remarkably improve the detection speed of each cylinder cover.
Owner:TIANJIN UNIV

Bacillus coli O157:H7 antigen rapid detection testing strip

The test strip for fast detecting colibacillus O157:H7 antigen belongs to the field of medical diagnosis article technology. The fast test strip includes one base substrate, one fiber film covering the base substrate, one water absorbing film covering the upper part of the base substrate, monoclonal marking antibody of colibacillus O157:H7 antigen adsorbed onto the fiber film in the lower part of the test strip, one anti-mouse IgG coated quality controlling line on the middle part of the fiber film, and one detecting line coated with monoclonal antibody of colibacillus O157:H7 antigen with excellent pairing property to absorbed marking antibody below the quality controlling line. The marking antibody has marker of colloidal gold, the concentration of colloidal gold antibody is (1.0-3.0)x10<->3 mg / sq cm, and that of the coating antibody is (2.0-8.0)x10<->4 mg / sq cm. The present invention has high detection speed and high detection accuracy.
Owner:贝瑞特生物技术(郑州)有限责任公司

Method for fast testing contents of chemical ingredients in Eucalyptus urophylla*E. tereticornis wood

The invention discloses a method for fast testing the contents of chemical ingredients in Eucalyptus urophylla*E. tereticornis wood. According to the method, a mathematical model is built by using the existing near infrared spectral feature absorption peak of an Eucalyptus urophylla*E. tereticornis wood sample and the relationship between contents of each chemical ingredient, and the goal of fast testing the content of other wood chemical ingredients to be tested in Eucalyptus urophylla*E. tereticornis wood is achieved. The method comprises the following steps of (1) sample sampling; (2) sample crushing and near infrared spectrum collection; (3) sample wood chemical ingredient standard measurement; (4) spectrum treatment and modeling; (5) model inspection; (6) model application. The method for fast testing the contents of ingredients of cellulose, hemicelluloses and lignin of the Eucalyptus urophylla*E. tereticornis wood has the advantages that the implementation is simple, convenient and fast; the accuracy and the reliability are high; the test cost can be obviously reduced; the tree damage and the chemical medicine consumption are reduced, so that the goal of testing the contents of the chemical ingredients in a great amount of Eucalyptus urophylla*E. tereticornis wood can be achieved.
Owner:RES INST OF TROPICAL FORESTRY CHINESE ACAD OF FORESTRY

Method for detecting chlorpromazine by colloidal gold immune chromatography test

InactiveCN101424688AFast processDetection object is singleMaterial analysisIndirect elisaDiazo
The invention relates to a method using a colloidal gold immuno chromatographic assay to test chlorpromazine in the technical field of biological engineering. CPZ hapten is connected with aminobenzoic acid through diazo reaction, and the CPZ hapten and KLH and BSA amidogens form peptide linkages by carboxyl on benzene rings so as to form the CPZ conjugates of CPZ-KLH and CPZ-BSA. The antigen CPZ-KLH is used for preparing polyclonal antibodies, the antigen CPZ-BSA is used for an indirect Elisa adsorption assay for testing polyclonal antibody titers, the polyclonal antibodies are labeled by the colloidal gold used as a tracer label, the CPZ-BSA antigen is immobilized on a test line on a membrane, and anti-rabbit polyclonal antibodies are immobilized on a control line; and the gold-labeled antibody, the corresponding antigens and the antibodies are specifically bound to perform the operation of colour development through isolation, and negative and positive results are displayed by the colour development of the test and the control lines.The invention can directly test chlorpromazine micromolecules in samples and has the advantages of fast test speed and short required time.
Owner:SHANGHAI JIAO TONG UNIV

Melamine immune chromatography test paper detecting method

The invention relates to a melamine immunity-chromatography test strip test method, comprising: the liner of the test strip is attached with a sample solution absorption part, an adhesive gold mark part, a test reaction part and a water adsorption part in turn, wherein the test reaction part is enveloped by one melamine multi-clone antibody or one detection antigen as the detection line and is enveloped by one IgG resisting the second animal protein as the reference line. The fast detection test strop has strong specificity, can realize half-quantitative detection, can be used in the environment temperature of 4 to 40 DEG C, is suitable for the fast test on the food and feeds of melamine pollution for milk product enterprises, individual cultivators, food health quality monitor departments, customs and supermarkets and the like. The melamine immunity-chromatography test strip test method has the advantages of strong specificity, high sensitivity, half-quantitative test and simple operation and the like.
Owner:WUHAN POLYTECHNIC UNIVERSITY

STLV double-antigen sandwich enzyme linked immunosorbent detecting method and its reagent kit

The invention discloses a STLV double-antigen sandwish ELISA and the kit thereof, the test method includes the following steps: 1) STLV coating antigen; 2) coating plate close; 3) STLV with added enzyme label; 4) adding tested sample and the sample diluent, which makes the antibody in sample and the antigen complex on the solid phase carrier react completely, solid antigen-antibody-enzyme label antigen complex is formed, washing off the uncombined antibody and impurity; 5) adding chromogenic substrate, through color comparisons, measuring the amount of antibody. The improved STLV double-antigen sandwish ELISA and the kit thereof have advantages of fast test speed, human and material resources saving and reduced test cost. The method is fast, simple and clear, easy to be popularized, and meets the basic needs, so the method is suitable for epidemiological study.
Owner:GUANGDONG ENTOMOLOGICAL INST

Urine occult blood test paper and production method thereof

The invention provides a urine occult blood test paper and a production method thereof, and belongs to the field of urine detection. The test paper comprises a substrate and a filter paper fixed on the substrate, and the filter paper is obtained through performing immersion in a solution A and then performing immersion n a solution B; the solution A comprises a buffering solution, purified water and a surfactant A; the solution B comprises ethanol, a surfactant B, a toner, peroxide and a sensitizer; and the structure of the peroxide is represented by formula I. The invention also provides a production method of the urine occult blood test paper. The lowest detection concentration of the occult blood quick test paper produced through the method is 4 Cells / [mu]L, the detection range can reach 4-200 Cells / [mu]L, and the test paper also has the advantages of stable performances, fast test speed and accurate determination result.
Owner:DIRUI MEDICAL TECH CO LTD

Test strip for fast testing nitrate in food via enzyme method

The invention provides a test strip for fast testing nitrate in food via the biochemical reduction method of nitrate reductase. System of the nitrate reductase + reduced coenzyme I (namely, nicotinamide adenine dinucleotide NADP) or system of the nitrate reductase + reduced coenzyme II (namely, nicotinamide adenine dinucleotide phosphate NADPH) catalyzes the nitrate to generate nitrite via the way of reduction. The test trip is applied to fast test nitrate content in food. The test trip is convenient in use, strong in specificity and beneficial to fast testing nitrate content in food.
Owner:QINGDAO AGRI UNIV +1

Shandong area insulator dirtiness water-soluble negative ion ingredient testing method

The invention discloses a Shandong area insulator dirtiness water-soluble negative ion ingredient testing method. According to the method, an efficient negative ion exchange separation column IonPac AS18 is used, and water-soluble negative ions in a dirtiness sample are accurately and fast tested under the KOH gradient leaching condition. The experiment result shows that the method has the advantages that the quantity definition is precise; the repeatability is good; the requirement on the practical dirtiness accurate evaluation in the Shandong area insulator can be met. The method is simple, convenient and stable; the pertinency is good in the linear range; the accuracy is high; the interference by other factors is small; the sample consumption is low; the practical value is high.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

Simulative waterproof and dustproof level tester for photovoltaic junction box

InactiveCN102607779AEnsuring non-destructive testingHigh repair costsMeasurement of fluid loss/gain rateEngineeringNondestructive testing
The invention relates to a simulative waterproof and dustproof level tester for a photovoltaic junction box, which belongs to the technical field of a photovoltaic assembly tester. The simulative waterproof and dustproof level tester for the photovoltaic junction box comprises a vacuum source, a main test desk, and more than one or two test systems. Each test system comprises a hand-pull vacuum valve, a fixed tool, a pressure valve and a pressure meter. The hand-pull vacuum valve comprises a valve body, a valve cover, a piston, an air inlet tube and an air outlet tube. A cylindrical bump of the valve cover is screwed in a cylindrical chamber of the valve body. The hand-pull vacuum valve, the pressure valve and the pressure meter are arranged on a work panel of the main test desk. The air inlet tube is connected with an extraction hole of the fixed tool by a hose and the air outlet tube is connected with the vacuum source by a hose. The pressure valve is connected with both ends of a cylinder of the fixed tool by a hose. The pressure meter is connected between the hand-pull vacuum valve and the photovoltaic junction box by a hose. The simulative waterproof and dustproof level tester for the photovoltaic junction box has the advantages that the simulative waterproof and dustproof level tester for the photovoltaic junction box is convenient to operate and has fast test speed; that each person can test 180 pieces of photovoltaic junction boxes every hour, 100% flawless detection of the photovoltaic junction boxes can be ensured; and the tested product reaches the level of IP67.
Owner:NINGBO KANGDI PHOTOVOLTAIC TECH

Method for early detecting toxicity of paralytic shellfish poison

The invention discloses a method for early detection on the toxicity of the Paralytic shellfish poisoning toxin in the technical field of the biological engineering, which is to make the check solution by the on-site shellfishes and make the abdominal cavity injection to the mouse with the check solution to test the content of the acetylcholine in the mouse brain and the change on activity of the endothelial nitric oxide synthase. The Paralytic shellfish poisoning toxin can be gained from the content of the acetylcholine and activity of the endothelial nitric oxide synthase, which can make an early detection on the toxicity of the Paralytic shellfish poisoning toxin. The invention realizes the on-site and fast test and analysis to large amount of samples and the early detection on the toxicity, which reduces the time by two to ten times compared with the common mice method currently used in China, avoiding any occurrence of the individual symptom and applicable to the on-site and fast test and analysis to large amount of samples and the early detection on the toxicity. The invention is simple and convenient to operate with only test on change of common biochemical parameters required, which is applicable to promotion and use by the on-site and grass-root test departments.
Owner:SHANGHAI JIAO TONG UNIV

Performance test method for low-medium temperature solid oxide fuel cells (SOFC)

ActiveCN108226789AReflect actual work performanceThe time constant is reduced or eliminatedElectrical testingFuel cellsElectronic loadEngineering
The invention relates to a performance test method for low-medium temperature SOFCs. The performance test method specifically comprises the following steps based on a test using electronic loads as anelectrical measuring device: 1) preparing before testing; 2) determining battery activation and a current scanning upper limit; 3) performing fast constant current scanning (a transient performance fast test); 4) performing slow constant current scanning (a quasi-steady state performance test); 5) carrying out a further current scanning test; 6) performing steady-state polarization measurement; and 7) processing experimental data. The method emphasizes two points of the steady-state maintenance and detailed recording of test conditions in the fuel cell measurement process. By using the method, performances of various different SOFCs can be evaluated accurately, simply, efficiently and intuitively. The data obtained by the test is comprehensive and actual working performances of the fuel cells can be better reflected.
Owner:SOUTHEAST UNIV
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